What to check before you buy a 485C
This compressor is built for onboard air systems: it can refill a tank, feed air suspension, sound air horns, or run some shop tools. The 100% duty cycle at 200 PSI means it can run continuously at that pressure, which suits repeated suspension adjustments or long tool use better than a lower-duty compressor.
The flow rate is 2.24 CFM, and the 485C brings a 5-gallon reservoir from empty to 200 PSI in under 10 minutes. That recovery speed matters when you want quick suspension changes or frequent horn blasts.
The unit is IP67 rated against dust and water, and it measures 10.63 inches long, 4.1 inches wide, and 6.44 inches high. It weighs 11.05 pounds. For a continuous-duty install, we'd consider this a strong candidate if you have room for those dimensions and your air system uses 3/8 inch NPT fittings, since the included leader hose uses that size.
| Product detail | Value to match to your vehicle |
|---|---|
| Product | VIAIR 485C High Performance Compressor |
| Model | 48502 |
| Color | Black |
| Size | Stock |
What it will not do
It will not diagnose or repair a leaking air system, and it is not a substitute for a properly sealed tank, line, or valve. A compressor that runs often may be reacting to a leak rather than a lack of capacity.
It also won't support tanks larger than 5 gallons. The continuous-duty rating is for 200 PSI, so match your system pressure to that figure rather than assuming higher pressures are supported.
No leak repair.
Max tank size 5 gallons.
The price and how it compares
- Amazon price
- $368.80
- Customer rating
- 4.7
- Customer reviews
- 85
- Typical price over 90 days
- $391.07
- Difference
- $22.27 (6 percent)
At $368.80, this 485C is about $22.27 below the typical price over the last 90 days of $391.07. That works out to roughly 6% off. The retailer's rating stands at 4.7 from 85 reviews.
We'd consider this a moderate deal rather than a standout one. The $22.27 savings is real against the typical price over the last 90 days. If you need continuous-duty air now, the current price is reasonable; if you can wait, there's no evidence of a deeper discount here.
What to confirm for installation
You'll need a 12-volt power source that can handle the compressor's draw, though the available information doesn't state the amperage. Check your vehicle's charging system and fuse accordingly. The kit includes remote mount brackets, so you can mount the compressor away from the tank if space near the tank is tight.
The 25 inch leader hose has a 3/8 inch NPT check valve. Plan your plumbing around that size, and decide whether the included air filter assemblies and spare elements will be accessible for future changes. The remote mount hardware includes fittings, nuts, bolts, and washers.
Because it's IP67 rated, it can handle dust and water exposure, but the mounting location still matters for airflow and service access.
Who should choose this compressor
Choose the VIAIR 485C if you run air suspension, a 5-gallon tank, or air horns and you want a compressor that can keep up with repeated use without cooling breaks. The 100% duty cycle at 200 PSI and the under-10-minute fill time for a 5-gallon tank are the core reasons to pick this model.
Skip it if your tank is larger than 5 gallons, if your system uses fittings other than 3/8 inch NPT, or if you just need occasional tire top-offs and don't care about continuous duty. In those cases a smaller, simpler compressor would do the job for less money. Before buying, measure your mounting space and confirm your tank size and fitting type.
Specifications
| Model | 48502 |
|---|---|
| Color | Black |
| Size | Stock |